Home / 40,943.78-56,467.28-28,217.57

Finding the Fourth Proportional to 40,943.78, 56,467.28 and 28,217.57

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Solution

The fourth proportional to 40,943.78, 56,467.28 and 28,217.57 is: 38,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943.78 : 56,467.28 = 28,217.57 : x
  2. Step 2: Convert to fraction form
    40,943.78/56,467.28 = 28,217.57/x
  3. Step 3: Cross multiply
    40,943.78x = 56,467.28 × 28,217.57
  4. Step 4: Simplify right side
    40,943.78x = 1,593,369,055.59
  5. Step 5: Solve for x
    x = 1,593,369,055.59/40,943.78
  6. Step 6: Final answer
    x = 38,916.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.